Portable lantern



FIG. 1 is a front perspective view showing the new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a side elevational view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof; and,

FIG. 7 is a rear perspective view showing a further embodidment of thenew design, the only difference being the inclusion of a bail.

The ornamental design for a portable lantern, as shown and described.